package lesson1_20.lesson6;

public class DemoStr {
    public static void main(String[] args) {
        String a="hello";
        String b="hello";
        String c=new String("hello");
        System.out.println(a);
        System.out.println(a==b);
        System.out.println(a==c);
        System.out.println(c==b);
    }
}
